from timeit import Timer

import sys
import math


def Problem():
    """Find the greatest product of five consecutive digits in the 1000-digit number. """
    
    n = '73167176531330624919225119674426574742355349194934\
        96983520312774506326239578318016984801869478851843\
        85861560789112949495459501737958331952853208805511\
        12540698747158523863050715693290963295227443043557\
        66896648950445244523161731856403098711121722383113\
        62229893423380308135336276614282806444486645238749\
        30358907296290491560440772390713810515859307960866\
        70172427121883998797908792274921901699720888093776\
        65727333001053367881220235421809751254540594752243\
        52584907711670556013604839586446706324415722155397\
        53697817977846174064955149290862569321978468622482\
        83972241375657056057490261407972968652414535100474\
        82166370484403199890008895243450658541227588666881\
        16427171479924442928230863465674813919123162824586\
        17866458359124566529476545682848912883142607690042\
        24219022671055626321111109370544217506941658960408\
        07198403850962455444362981230987879927244284909188\
        84580156166097919133875499200524063689912560717606\
        05886116467109405077541002256983155200055935729725\
        71636269561882670428252483600823257530420752963450'
    # Flatten the string
    n = "".join(n.split())
    # Multiply function
    mul = lambda x,y: int(x)*int(y)
    
    #Method 1
    # Calculate 5 consecutive product at each index
    max5, index = 0, 0
    for i in range(len(n) - 4):
         m = reduce(mul, n[i:i+5] )
         if m > max5:
             max5, index = m, i
             
    print "Answer for Problem 8 = %d (%d th)" % (max5, index)             
             
    #Method 2
    #Use lists and functional methods
    max5 = max([ reduce(mul, n[i:i+5] ) for i in range(len(n) - 5)])

    print "Answer for Problem 8 = %d " % (max5,)

    #Method 3
    #Split the string by 0
    #ns = [ subn for subn in n.split("0") if 5 <= len(subn) ]
    
    
    



    
if __name__ == "__main__":
    t = Timer(setup='from __main__ import Problem', stmt='Problem()').timeit(1)
    print "Execution time = %0.3f seconds" %(t,)